Description: Some people love stacks because of the awesome rumble that they make cruising down the street. For others it's the big rig look of stacks crowning their truck. Who's right - who cares? You get both...More Details »

Description: Some people love stacks because of the awesome rumble that they make cruising down the street. For others it's the big rig look of stacks crowning their truck. Who's right - who cares? You get both...More Details »

Description: Some people love stacks because of the awesome rumble that they make cruising down the street. For others it's the big rig look of stacks crowning their truck. Who's right - who cares? You get both...More Details »

Description: Some people love stacks because of the awesome rumble that they make cruising down the street. For others it's the big rig look of stacks crowning their truck. Who's right - who cares? You get both...More Details »

Description: Some people love stacks because of the awesome rumble that they make cruising down the street. For others it's the big rig look of stacks crowning their truck. Who's right - who cares? You get both...More Details »

Description: The down pipe back type system mounts to the short stock down pipe in Duramax equipped vehicles and eliminates the catalytic converter. The objective is to provide the absolute lowest exhaust gas...More Details »